Commit d4b3c006 authored by dkah's avatar dkah

more slides

parent 7b39ea31
......@@ -93,9 +93,31 @@ Sound Synthesis
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test
====
.. image:: img/sine.png
Additive
========
* 1822 Joseph Fourier showed that some functions can be written as a sum of sines
* Using harmonics we can build up a variety of timbres
.. image:: img/harmonics.png
:height: 150px
:align: right
* Theoretically we could use arbitrary many sines to reconstruct almost all sounds
* Practically this is impossible
* Sound is often too clean, to sterile
----
Subtractive
===========
* Source with a broad spectrum -> noise
* Filter too thin out spectrum
* Gives much more "natural" sound than additive synthesis
* Restricted in what is possible
* Needs lots of experience
* Used in a lot of analog synthesizer
----
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